How To Fix /SCWM/MIGRATION_CUST309 - ERP record is added only once to final EWM records

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MIGRATION_CUST -

• Message number: 309

• Message text: ERP record is added only once to final EWM records

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MIGRATION_CUST309 - ERP record is added only once to final EWM records ?

  The SAP error message /SCWM/MIGRATION_CUST309 typically occurs during the migration process from SAP ERP to SAP Extended Warehouse Management (EWM). This error indicates that a specific ERP record is being added multiple times to the final EWM records, which is not allowed. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Duplicate Records: The error is often caused by duplicate entries in the source ERP system that are being processed during the migration. If the same record is present multiple times, the migration process will throw this error.
  Data Consistency Issues: There may be inconsistencies in the data being migrated, such as missing or incorrect references that lead to the same record being processed multiple times.
  Configuration Issues: Incorrect configuration settings in the migration tools or processes can also lead to this error.
  
  Solution:
  
  
  Check for Duplicates: 
  
  Review the source ERP data for duplicates. You can run queries to identify any duplicate records in the relevant tables.
  Remove or consolidate duplicate entries before running the migration again.
  
  
  
  Data Cleansing:
  
  Ensure that the data in the ERP system is clean and consistent. This may involve correcting any discrepancies or errors in the data.
  
  
  
  Migration Settings:
  
  Review the migration settings and parameters to ensure they are correctly configured to handle the data being migrated.
  Make sure that the migration tools are set up to handle unique records properly.
  
  
  
  Log Analysis:
  
  Check the migration logs for more detailed error messages or warnings that can provide additional context on the issue.
  Analyze the logs to identify which specific records are causing the issue.
  
  
  
  Testing:
  
  Before performing a full migration, conduct a test migration with a smaller dataset to identify potential issues without affecting the entire system.
  
  
  
  Consult Documentation:
  
  Refer to SAP’s official documentation for migration processes and best practices to ensure compliance with recommended procedures.
  
  
  
  SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for assistance. They may provide patches or specific guidance based on the version of the software you are using.
  
  
  
  Related Information:
  
  Migration Tools: Familiarize yourself with the tools provided by SAP for data migration, such as the SAP Migration Cockpit or the SAP Data Services.
  EWM Configuration: Understanding the configuration of EWM and how it interacts with ERP can help in troubleshooting migration issues.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on migration issues.
  
  By following these steps, you should be able to resolve the /SCWM/MIGRATION_CUST309 error and successfully complete the migration from ERP to EWM.